blob: b58db4d093d5bc06db79cc1b215444485d05249c [file] [log] [blame]
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <cstddef>
#include "webrtc/typedefs.h"
namespace webrtc {
namespace test {
// Reads chunks of data to simulate network packets from a byte array.
class PacketReader {
virtual ~PacketReader();
// Inizializes a new reading operation. Must be done before invoking the
// NextPacket method.
// * data_length_in_bytes is the length of the data byte array.
// 0 length will result in no packets are read.
// * packet_size_in_bytes is the number of bytes to read in each NextPacket
// method call. Must be > 0
virtual void InitializeReading(uint8_t* data, size_t data_length_in_bytes,
size_t packet_size_in_bytes);
// Moves the supplied pointer to the beginning of the next packet.
// Returns:
// * The size of the packet ready to read (lower than the packet size for
// the last packet)
// * 0 if there are no more packets to read
// * -1 if InitializeReading has not been called (also prints to stderr).
virtual int NextPacket(uint8_t** packet_pointer);
uint8_t* data_;
size_t data_length_;
size_t packet_size_;
size_t currentIndex_;
bool initialized_;
} // namespace test
} // namespace webrtc